Value-added products from beekeeping. Chapter 5.
2021-2-9u2002·u2002Method 7: Dry propolis extract. Dry extracts are those with a solvent content of less than 5 %. They are obtained from extracts according to methods 1, 2 or 3, followed by evaporation, freeze drying or spray drying (Sangalli, 1990). The last two drying methods require relatively expensive laboratory equipment (see Suppliers List in the Annex).Get Price